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PYSEC-2020-30

Quick fix

PYSEC-2020-30 — bsdiff4: upgrade to the fixed version with the command below.

pip install --upgrade 'bsdiff4>=49a4cee2feef7deaf9d89e5e793a8824930284d7'

Details

A buffer overflow in the patching routine of bsdiff4 before 1.2.0 allows an attacker to write to heap memory (beyond allocated bounds) via a crafted patch file.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/bsdiff4

Introduced in: 0Fixed in: 49a4cee2feef7deaf9d89e5e793a8824930284d7

Fixpip install --upgrade 'bsdiff4>=49a4cee2feef7deaf9d89e5e793a8824930284d7'

References

https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a8824930284d7[FIX]
https://github.com/ilanschnell/bsdiff4/blob/master/CHANGELOG.txt[WEB]
https://github.com/advisories/GHSA-f8m3-jpxr-hm5x[ADVISORY]